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EP0341392A1 - Spot-type disc brake - Google Patents

Spot-type disc brake Download PDF

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Publication number
EP0341392A1
EP0341392A1 EP89104330A EP89104330A EP0341392A1 EP 0341392 A1 EP0341392 A1 EP 0341392A1 EP 89104330 A EP89104330 A EP 89104330A EP 89104330 A EP89104330 A EP 89104330A EP 0341392 A1 EP0341392 A1 EP 0341392A1
Authority
EP
European Patent Office
Prior art keywords
brake
housing
disc
brake shoe
leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89104330A
Other languages
German (de)
French (fr)
Other versions
EP0341392B1 (en
Inventor
Rolf Weiler
Wolfgang Schiel
Rainer Bretzler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Continental Teves AG and Co oHG
Original Assignee
Volkswagen AG
Alfred Teves GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG, Alfred Teves GmbH filed Critical Volkswagen AG
Publication of EP0341392A1 publication Critical patent/EP0341392A1/en
Application granted granted Critical
Publication of EP0341392B1 publication Critical patent/EP0341392B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
    • F16D65/0979—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on the rear side of the pad or an element affixed thereto, e.g. spring clips securing the pad to the brake piston or caliper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • F16D55/22655—Constructional details of guide pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • F16D55/227—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing by two or more pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
    • F16D65/0974—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis
    • F16D65/0975—Springs made from wire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
    • F16D65/0974—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis
    • F16D65/0975—Springs made from wire
    • F16D65/0976—Springs made from wire acting on one pad only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0041—Resilient elements interposed directly between the actuating member and the brake support, e.g. anti-rattle springs

Definitions

  • the invention relates to a partial-pad disc brake, in particular for motor vehicles, with a housing which encompasses a U-shaped brake disc and which has a housing bridge, a first housing leg having a piston-cylinder unit and a second outer housing leg, with a first brake shoe having a carrier plate, the is arranged on the first piston-side leg, a second brake shoe having a carrier plate, which is arranged on the second outer leg and supports the housing with respect to the brake disc axis in the radial direction and with projections on the carrier plate which supports the brake shoe in the radial and circumferential directions , according to the preamble of claim 1.
  • a brake shoe holder for a brake pad brake in particular for motor vehicles with two support parts arranged at a distance from one another in the secant direction to the brake disk with a brake shoe displaceably guided on the support parts in the brake application direction, is known, in the circumferential direction of the brake disk is connected to the support part in such a fluid manner that, at least with higher brake system forces, the frictional force occurring on the brake shoe is transmitted to both support parts.
  • this floating-caliper partial-pad disc brake has a brake carrier which is to be fastened to the steering knuckle of a motor vehicle and surrounds a brake disc in a U-shape.
  • the invention has for its object to simplify a partial-pad disc brake, to reduce the cost of materials and to ensure easy installation of such a partial-pad disc brake.
  • the projections on the carrier plates of the brake shoes are arranged outside the circumference of the brake disk.
  • the partial pad disc brake is attached to an integrated steering knuckle. This steering knuckle already has support arms which project beyond the brake disc circumference over a brake disc to be fastened.
  • the projection has an L-shape, a first leg of the L being supported with a first surface in the circumferential direction and a second leg of the L being supported with a second surface in the radial direction.
  • Another advantageous embodiment of the invention provides a groove in the projection which supports the carrier plate in radial and in both circumferential directions.
  • a push-pull principle is implemented because the circumferential force on one of the arms (push, push) when the brake is weak and then on the arm when the brake is applied strongly and the associated extension of the arms other arm (pull, pull) of the integrated steering knuckle is distributed.
  • the projection advantageously has a slope so that the brake shoe is able to move between the lining carrier and the steering knuckle in order to eliminate corrosion problems.
  • the brake shoe slides radially outward on the slope and in the direction of rotation of the brake disc, so that the brake shoe rocks away from possible corrosion or corrosion bridges.
  • the brake shoes are advantageously the same. This limits storage because both the piston-side and the outer lining are identical.
  • springs are arranged on the brake shoes.
  • the piston-side brake shoe on the piston-side housing cover is held by a spring which engages in a recess, preferably in an annular circumferential groove of the piston.
  • the outer brake shoe is held on the outer housing leg by a spring.
  • FIG. 1 shows a floating-caliper partial-pad disc brake 1, in particular for motor vehicles, with a housing 2 which surrounds a brake disc 3 in a U-shape, with a first brake shoe 5 having a carrier plate 4 and a second brake shoe 7 having a second carrier plate 6.
  • the carrier plate 6 of the brake shoe 7 has two projections 8, 9 offset in the circumferential direction at the outermost ends, with respect to the radial direction of the brake disc axis.
  • the second outer brake shoe 7 has such projections 10, 11 on its carrier plate 6.
  • Spring members 12, 13, also called bushings, with closure caps 14, 15 are provided to fasten the partial lining disc brake 1 to the steering knuckles.
  • the housing 2 has reinforcing ribs 16-19 which extend essentially in the axial direction.
  • a housing bridge 20 has a shaft 21.
  • Fig. 2 shows the partial lining disc brake 1 with the U-shaped housing 2, which encompasses the brake disc 3 and which has the housing bridge 20, a first, a piston-cylinder unit 22, 23 from piston 22 and cylinder 23 having housing legs 24 and a further outer housing leg 25 has.
  • the brake shoe 5 is arranged on the piston-side leg 24 and the brake shoe 7 on the outer leg 25.
  • an integrated steering knuckle 26 is provided, which is rigidly and fixedly connected to the body.
  • the steering knuckle 26 has a bore 27 with a thread 28 in which a bolt 29 with a thread 30 is screwed.
  • the bolt 29 is in a cylindrical bushing 12, which with annular ribs 31 abuts the bolt surface.
  • the bushing 12 is guided through a bore 32 of the housing 2 and bears with its outer cylindrical outer surface 33 against the inner wall of this bore 32. Projections 34, 35 prevent the bushing from sliding out of this bore 32.
  • a hydraulic medium hereinafter called brake fluid
  • brake fluid is pumped into the cylinder 23, so that the piston 22 is moved in the direction 36.
  • the brake shoe 5 is moved against the brake disc 3 and the brake shoe 7 is pressed against the other side of the brake disc via a reaction force.
  • the housing 2 slides with the bushing 12 on the bolt 29.
  • a rivet 37 which is riveted in the carrier plate 4 of the brake shoe 5, holds a spring 38 with three spring arms 39 (only one spring arm 33 is visible here), which engages with a curved spring arm section 40 in an annular circumferential groove 41 of the piston 22.
  • Another spring 42 engages with three spring arms 43, 44 (only two of the spring arms are visible here) in grooves 45, 46 and clamps the outer brake shoe 7 on the outer housing leg 25.
  • the spring 42 is connected to the carrier plate 6 of the brake shoe by a rivet 47 7 attached.
  • both the brake shoes 5,7 and the springs 38,42 and the fastening 37,47 between the spring 38,42 and the brake shoe 5,7 are the same.
  • Fig. 3 shows the partial lining disc brake with the partially cut housing 2, which encompasses the brake disc 3, with the brake shoes 5, 7, the reinforcing ribs 16, 17 the shaft 21 and the outer housing leg 25.
  • the triangular spring 42 is symmetrical to a radial cutting line 50.
  • the spring has two spring arms 43 projecting perpendicularly from the cutting line 50 (of which only one spring arm 43 is visible here due to the sectional view) is).
  • the arm 44 extends parallel to the section line 46.
  • the spring arms 43, 44 protrude with their curved spring arm sections 48, 49 into the three grooves 45, 46, of which only the grooves 45, 46 are visible here due to the sectional view.
  • the housing leg 25 has a reinforcing rib 51 which extends in the circumferential direction and is seamlessly adapted to it four ribs 52, 53 which extend in the radial direction (of which only the two ribs 52, 53 are visible here due to the sectional view).
  • the steering knuckle 25 of the housing 2 has two openings 54, into which a wire spring 55 projects, and which braces the housing 2 against an integrated steering knuckle 56 on its support arms 57, 58.
  • the integrated steering knuckle 56 is rigidly and fixedly arranged on the vehicle body.
  • Both brake shoes 5, 7 are supported with their projections 8 to 11 on these support arms 57, 58.
  • the brake shoe 5 has a crescent-shaped projection 59 which projects into the shaft 20 of the housing 2.
  • the first two support points of the housing 2 are the two bolts 29 arranged symmetrically to the section line 50.
  • the carrier plate 6 has one in the center of the circumferential direction and radially on the outside crescent-shaped front jump 60, which projects into a suitable recess 61 of the housing bridge 21.
  • the spring 55 clamps the housing 2 over its recess 61, the projection 60 and over the projections 10 and 11 on the steering knuckle 56. Since the projection 60 and the recess 61 are arranged in the center, the saddle is supported with a three-point support.
  • the projection 11 has essentially an L-shape, with a first leg 62 with its surface 63 on the surface 64 of the support arm 58 is supported in a substantial radial direction.
  • the surface of the second leg 65 is supported on a surface 67 of the support arm 58 in a substantial circumferential direction.
  • the surfaces 63 and 64 are arranged perpendicular to the surfaces 66,67. Between these surfaces 63 and 67 of the support arm 58 extends an inclined surface 68 which cooperates with an inclined surface 69 between the surfaces 64 and 66 of the projection 11.
  • a game 70 between the surfaces 66 of the brake shoe 5 and 67 of the support arm 58 is overcome when the brake is actuated, so that the brake shoe 5 slides up on its slope 69 on the support arm 58 and thus assumes the end position shown in broken lines. This sliding up overcomes corrosion problems.
  • a direction of rotation 71 of the brake disk 3 is assumed.
  • the brake shoes 5 and 7 are advantageously identical and the projections 8 and 9 or 10 and 11 are mirror-symmetrical to the section line 50.
  • Fig. 6 shows a second floating caliper partial covering disks brake 72, which is mounted in four-point support over a support plate 73 of an outer brake shoe 74 over two support points.
  • the housing 75 has two projections 77 and 78 at the level of its steering knuckle 76.
  • Fig. 7 shows the second partial-disc brake 72 with the housing 75 and the steering knuckle 76.
  • the carrier plate 73 of the brake shoe 74 has an upper radial outer surface 80 which is approximately flush with the line 79 (FIG. 6) closes upper radially outer surface 81 of a friction lining 82 of the brake shoe 74.
  • FIG. 8 shows the partial lining disc brake 72 with the housing 75 and the steering knuckle 76.
  • the housing 75 is supported on projections 77 and 78 on projections 84 of the carrier plate 73 of the brake shoe 74 in two-point support.
  • the housing 75 has two surfaces 88, 89 which are approximately perpendicular to one another and which are supported on surfaces 90, 91 of the projection 84 which are perpendicular to one another both in the radial direction 92 and in the circumferential direction 93.
  • the projection 78 On the opposite side, offset in the circumferential direction, the projection 78 has surfaces 92, 93 which are supported on surfaces (not shown because of the sectional view) of the brake shoe 74 (not shown in this region).
  • the surfaces (not shown) of the brake shoe 74 correspond to the surfaces 94 and 95 of the projection 85 of the piston-side brake shoe 87.
  • the projection 84 of the outer brake shoe 74 has a groove 96 with rounded recesses 97, 98 Groove base 99 on.
  • the groove also has surfaces 100 and 101.
  • the groove 96 forms a hook 102 which engages around a rectangular projection 103.
  • the rectangular projection 103 is part of a support arm 104 of an integrated steering knuckle 105.
  • the integrated steering knuckle 105 with its support arm 106 and the projection 107 pointing radially outwards projects into a groove 108 with round depressions 109, 110 at the groove base ends of a groove base 111.
  • a hook 114 fits over the projection 107.
  • the groove further has surfaces 113 and 114 which are arranged perpendicular to the groove base.
  • the surface 112 of the groove is first brought into contact with a surface 115 of the projection 107, so that the circumferential force is absorbed by the support arm 106.
  • the surface 100 of the groove 96 on the opposite side of the brake shoe is brought against a surface 116 of the support arm 104 (push-pull principle).
  • the radially outer surfaces 80, 81 of the brake lining and the carrier plate run in the circumferential direction 93 at approximately the same height.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to a spot-type disc brake, especially for motor vehicles, having a housing which embraces a brake disc in a U- shape and which has a housing bridge, a first housing limb (having a piston-cylinder unit) and a second outer housing limb, the disc brake having a first brake shoe, which has a supporting plate and is arranged on the first limb on the piston side, a second brake shoe, which has a supporting plate and is arranged on the second outer limb, and supports the housing in the radial direction with respect to the brake disc axis, and having projections on the supporting plate which supports the brake shoe in the radial and circumferential direction. According to the invention, the projections (8-11, 84, 85) on the supporting plate (4, 6, 73, 86) of the brake shoe (5, 7, 74, 87) are arranged outside the circumference of the brake disc. …<IMAGE>…

Description

Die Erfindung betrifft eine Teilbelag-Scheibenbremse, ins­besondere für Kraftfahrzeuge, mit einem Gehäuse, das eine Bremsscheibe U-förmig umgreift und das eine Gehäusebrücke, einen ersten eine Kolbenzylindereinheit aufweisenden Ge­häuseschenkel und einen zweiten äußeren Gehäuseschenkel aufweist, mit einem ersten eine Trägerplatte aufweisenden Bremsbacken, der an dem ersten kolbenseitigen Schenkel an­geordnet ist, einer zweiten eine Trägerplatte aufweisenden Bremsbacke, die an dem zweiten äußeren Schenkel angeordnet ist und das Gehäuse in bezug zur Bremsscheibenachse in ra­dialer Richtung abstützt und mit Vorsprüngen an der Trä­gerplatte, die die Bremsbacke in radialer und in Umfangs­richtung abstützt, gemäß dem Oberbegriff des Anspruches 1.The invention relates to a partial-pad disc brake, in particular for motor vehicles, with a housing which encompasses a U-shaped brake disc and which has a housing bridge, a first housing leg having a piston-cylinder unit and a second outer housing leg, with a first brake shoe having a carrier plate, the is arranged on the first piston-side leg, a second brake shoe having a carrier plate, which is arranged on the second outer leg and supports the housing with respect to the brake disc axis in the radial direction and with projections on the carrier plate which supports the brake shoe in the radial and circumferential directions , according to the preamble of claim 1.

Aus der DE-OS 28 04 808 (Anspruch 1) ist eine Bremsbacken­halterung für eine Teilbelagscheibenbremse, insbesondere für Kraftfahrzeuge mit zwei in Sekantenrichtung zur Brems­scheibe im Abstand voneinander angeordneten Tragteilen mit einer an den Tragteilen in Bremsanlagerichtung verschieb­bar geführten Bremsbacke bekannt, die in Umfangsrichtung der Bremsscheibe derart formflüssig mit dem Tragteil ver­bunden ist, das zumindest bei höheren Bremsanlagekräften, die an der Bremsbacke auftretende Reibungskraft auf beide Tragteile übertragen wird. Nachteilig weist diese Schwimm­sattel-Teilbelag-Scheibenbremse einen am Achsschenkel ei­nes Kraftfahrzeuges zu befestigenden, eine Bremsscheibe U-förmig umgreifenden Bremsträger auf.From DE-OS 28 04 808 (claim 1) a brake shoe holder for a brake pad brake, in particular for motor vehicles with two support parts arranged at a distance from one another in the secant direction to the brake disk with a brake shoe displaceably guided on the support parts in the brake application direction, is known, in the circumferential direction of the brake disk is connected to the support part in such a fluid manner that, at least with higher brake system forces, the frictional force occurring on the brake shoe is transmitted to both support parts. Disadvantageously, this floating-caliper partial-pad disc brake has a brake carrier which is to be fastened to the steering knuckle of a motor vehicle and surrounds a brake disc in a U-shape.

Der Erfindung liegt die Aufgabe zugrunde, eine Teil­belag-Scheibenbremse zu vereinfachen, einen Materialauf­wand zu reduzieren und eine einfache Montage einer solchen Teilbelag-Scheibenbremse zu gewährleisten.The invention has for its object to simplify a partial-pad disc brake, to reduce the cost of materials and to ensure easy installation of such a partial-pad disc brake.

Diese Aufgabe wird gemäß den Merkmalen des Anspruches 1 gelöst. Erfindungsgemäß sind die Vorsprünge an den Träger­platten der Bremsbacken außerhalb des Bremsscheibenumfan­ges angeordnet. Die Teilbelag-Scheibenbremse wird an einem integrierten Achsschenkel angebaut. Dieser Achsschenkel weist bereits Tragarme auf, die außerhalb des Bremsschei­benumfanges über eine zu befestigende Bremsscheibe ragen.This object is achieved in accordance with the features of claim 1. According to the invention, the projections on the carrier plates of the brake shoes are arranged outside the circumference of the brake disk. The partial pad disc brake is attached to an integrated steering knuckle. This steering knuckle already has support arms which project beyond the brake disc circumference over a brake disc to be fastened.

In einer ersten einfachen Ausgestaltung der Erfindung weist der Vorsprung eine L-Form auf, wobei ein erster Schenkel des L sich mit einer ersten Fläche in Umfangs­richtung abstützt und ein zweiter Schenkel des L sich mit einer zweiten Fläche in radialer Richtung abstützt. Nach Einbau der Teilbelag-Scheibenbremse kommt damit die Brems­backe mit ihren zwei L-förmigen Vorsprüngen in Anlage an die Tragarme des integrierten Achsschenkels, die somit bei Bremsbetätigung Umfangs- und radiale Kräfte direkt auf die starren Teile der Karosserie weiterleiten.In a first simple embodiment of the invention, the projection has an L-shape, a first leg of the L being supported with a first surface in the circumferential direction and a second leg of the L being supported with a second surface in the radial direction. After installation of the partial brake disc brake, the brake shoe with its two L-shaped projections comes into contact with the support arms of the integrated steering knuckle, which thus transmit circumferential and radial forces directly to the rigid parts of the body when the brakes are applied.

Eine andere vorteilhafte Ausgestaltung der Erfindung sieht eine Nut in dem Vorsprung vor, die die Trägerplatte in ra­dialer und in beiden Umfangsrichtungen abstützt. Dabei wird ein Push-Pull-Prinzip verwirklicht, weil die Umfangs­kraft bei schwacher Bremsbetätigung zunächst auf einen der Arme (Push, drücken) und danach bei starker Bremsbetäti­gung und damit verbundener Aufweitung der Tragarme auf den anderen Arm (Pull, ziehen) des integrierten Achsschenkels verteilt ist.Another advantageous embodiment of the invention provides a groove in the projection which supports the carrier plate in radial and in both circumferential directions. A push-pull principle is implemented because the circumferential force on one of the arms (push, push) when the brake is weak and then on the arm when the brake is applied strongly and the associated extension of the arms other arm (pull, pull) of the integrated steering knuckle is distributed.

In vorteilhafter Weise weist der Vorsprung eine Schräge auf, damit die Bremsbacke die Möglichkeit einer Bewegung zwischen Belagträger und Achsschenkel bekommt, um Kor­rosionsprobleme auszuschalten. Bei jedem Bremsvorgang gleitet der Bremsbacken an der Schräge radial und in Dreh­richtung der Bremsscheibe nach außen, so daß sich die Bremsbacke von eventueller Korrosion bzw Korrosions­brücken freischaukelt.The projection advantageously has a slope so that the brake shoe is able to move between the lining carrier and the steering knuckle in order to eliminate corrosion problems. With each braking operation, the brake shoe slides radially outward on the slope and in the direction of rotation of the brake disc, so that the brake shoe rocks away from possible corrosion or corrosion bridges.

In vorteilhafter Weise sind die Bremsbacken gleich. Damit wird eine Lagerhaltung begrenzt, weil sowohl der kolben­seitige als auch der äußere Belag identisch sind.The brake shoes are advantageously the same. This limits storage because both the piston-side and the outer lining are identical.

Um die Bremsbeläge an dem Gehäuse zu halten, sind Federn an den Bremsbacken angeordnet. Die kolbenseitige Brems­backe an dem kolbenseitigen Gehäusedeckel ist mit einer Feder gehalten, die in eine Ausnehmung, vorzugsweise in eine ringförmig umlaufende Nut des Kolbens eingreift. Die äußere Bremsbacke ist mit einer Feder an dem äußeren Ge­häuseschenkel gehalten. Mit der Befestigung der Brems­backen an dem Gehäuse ist in vorteilhafter Weise eine ein­fache Montage gewährleistet, weil die Teilbelag-Scheiben­bremse, die im wesentlichen aus Gehäuse und Bremsbacken besteht, als Montageeinheit auf den integrierten Achs­schenkel über die bereits eingebaute Bremsscheibe setzbar ist. Integrierte Bauweise heißt, daß der Bremsträger und der Achsschenkel zu einem integrierten Achsschenkel zusam­mengefaßt sind. Vorteilhafterweise sind beide Federn gleich, so daß auch hier eine beschränkte Lagerhaltung möglich ist.In order to hold the brake pads on the housing, springs are arranged on the brake shoes. The piston-side brake shoe on the piston-side housing cover is held by a spring which engages in a recess, preferably in an annular circumferential groove of the piston. The outer brake shoe is held on the outer housing leg by a spring. With the attachment of the brake shoes to the housing, simple assembly is advantageously ensured because the partial-pad disc brake, which essentially consists of the housing and the brake shoes, can be placed as an assembly unit on the integrated steering knuckle via the already installed brake disk. Integrated construction means that the brake carrier and the steering knuckle are combined to form an integrated steering knuckle. Both springs are advantageous same, so that a limited storage is also possible here.

Nachfolgend sind vorteilhafte Ausführungsbeispiele der Er­findung anhand von Zeichnungen näher erläutert.Advantageous exemplary embodiments of the invention are explained in more detail below with reference to drawings.

Es zeigen

  • Fig. 1 eine Teilbelag-Scheibenbremse mit Dreipunkt-Auf­lage,
  • Fig. 2 dieselbe Teilbelag-Scheibenbremse in geschnit­tener Seitenansicht,
  • Fig. 3 die Teilbelag-Scheibenbremse in einer weiteren teilweise geschnittenen Seitenansicht,
  • Fig. 4 einen Punkt der Dreipunkt-Auflage zwischen Ge­häuse und Bremsbacke,
  • Fig. 5 eine Schräge zwischen Bremsbacke und integrier­ten Achsschenkel,
  • Fig. 6 eine zweite Teilbelag-Scheibenbremse in Drauf­sicht mit Vierpunkt-Auflage,
  • Fig. 7 die Teilbelag-Scheibenbremse in geschnittener Seitenansicht und
  • Fig. 8 die Teilbelag-Scheibenbremse in einer weiteren teilweise geschnittenen Seitenansicht.
Show it
  • 1 is a partial pad disc brake with three-point support,
  • 2 the same partial lining disc brake in a sectional side view,
  • 3 shows the partial lining disc brake in a further partially sectioned side view,
  • 4 a point of the three-point support between the housing and the brake shoe,
  • 5 shows a slope between the brake shoe and the integrated steering knuckle,
  • 6 is a second partial pad disc brake in plan view with four-point support,
  • Fig. 7, the partial pad disc brake in a sectional side view
  • Fig. 8 shows the partial lining disc brake in a further partially sectioned side view.

Fig. 1 zeigt eine Schwimmsattel-Teilbelag-Scheibenbremse 1 insbesondere für Kraftfahrzeuge mit einem Gehäuse 2, das eine Bremsscheibe 3 U-förmig umgreift, mit einer ersten eine Trägerplatte 4 aufweisenden Bremsbacke 5 und einer zweiten eine zweite Trägerplatte 6 aufweisenden Bremsbacke 7. Die Trägerplatte 6 der Bremsbacke 7 weist zwei in Um­fangsrichtung an den äußersten Enden versetzt, in bezug zur Bremsscheibenachse radialer Richtung außen angeordnete Vorsprünge 8,9 auf. Die zweite äußere Bremsbacke 7 weist an ihrer Trägerplatte 6 ebensolche Vorsprünge 10,11 auf. Zur Befestigung der Teilbelag-Scheibenbremse 1 an den Achsschenkeln sind Federglieder 12,13, auch Bushings ge­nannt, mit Verschlußkappen 14,15 vorgesehen. Das Gehäuse 2 weist Verstärkungsrippen 16-19 auf, die sich im wesentli­chen in axialer Richtung erstrecken. Eine Gehäusebrücke 20 weist einen Schacht 21 auf.1 shows a floating-caliper partial-pad disc brake 1, in particular for motor vehicles, with a housing 2 which surrounds a brake disc 3 in a U-shape, with a first brake shoe 5 having a carrier plate 4 and a second brake shoe 7 having a second carrier plate 6. The carrier plate 6 of the brake shoe 7 has two projections 8, 9 offset in the circumferential direction at the outermost ends, with respect to the radial direction of the brake disc axis. The second outer brake shoe 7 has such projections 10, 11 on its carrier plate 6. Spring members 12, 13, also called bushings, with closure caps 14, 15 are provided to fasten the partial lining disc brake 1 to the steering knuckles. The housing 2 has reinforcing ribs 16-19 which extend essentially in the axial direction. A housing bridge 20 has a shaft 21.

Fig. 2 zeigt die Teilbelag-Scheibenbremse 1 mit dem U-förmigen Gehäuse 2, das die Bremsscheibe 3 umgreift und das die Gehäusebrücke 20, einen ersten, eine Kolbenzylin­dereinheit 22,23 aus Kolben 22 und Zylinder 23 aufweisen­den Gehäuseschenkel 24 und einen weiteren äußeren Gehäuse­schenkel 25 aufweist. An dem kolbenseitigen Schenkel 24 ist die Bremsbacke 5 und an dem äußeren Schenkel 25 die Bremsbacke 7 angeordnet. Anstelle eines Bremsträgers ist ein integrierter Achsschenkel 26 vorgesehen, der starr und ortsfest mit der Karosserie verbunden ist. Der Achsschen­kel 26 weist eine Bohrung 27 mit Gewinde 28 auf, in dem ein Bolzen 29 mit Gewinde 30 verschraubt ist. Der Bolzen 29 steckt in einem zylinderförmigen Bushing 12, das mit ringförmigen Rippen 31 auf der Bolzenoberfläche anliegt. Das Bushing 12 ist durch eine Bohrung 32 des Gehäuses 2 geführt und liegt mit seiner äußeren zylindrischen Mantel­fläche 33 an der Innenwand dieser Bohrung 32 an. Vorsprün­ge 34,35 hindern das Bushing, aus dieser Bohrung 32 her­auszugleiten. Bei Bremsbetätigung wird ein hydraulisches Medium, im folgenden Bremsflüssigkeit genannt, in den Zy­linder 23 gepumpt, so daß der Kolben 22 in Richtung 36 be­wegt wird. Dabei wird die Bremsbacke 5 gegen die Brems­scheibe 3 bewegt und über eine Reaktionskraft die Brems­backe 7 gegen die andere Seite der Bremsscheibe gedrückt. Bei der Bremsbetätigung gleitet das Gehäuse 2 mit dem Bushing 12 auf dem Bolzen 29. Ein Niet 37, der in der Trä­gerplatte 4 der Bremsbacke 5 vernietet ist, hält eine Fe­der 38 mit drei Federarmen 39 (nur der eine Federarm 33 ist hier sichtbar), der mit einem gebogenen Federarmab­schnitt 40 in eine ringförmig umlaufende Nut 41 des Kol­bens 22 eingreift. Eine weitere Feder 42 greift mit drei Federarmen 43,44 (nur zwei der Federarme sind hier sicht­bar) in Nuten 45,46 und verklemmt die äußere Bremsbacke 7 am äußeren Gehäuseschenkel 25. Die Feder 42 ist durch ei­nen Niet 47 an der Trägerplatte 6 der Bremsbacke 7 be­festigt.Fig. 2 shows the partial lining disc brake 1 with the U-shaped housing 2, which encompasses the brake disc 3 and which has the housing bridge 20, a first, a piston-cylinder unit 22, 23 from piston 22 and cylinder 23 having housing legs 24 and a further outer housing leg 25 has. The brake shoe 5 is arranged on the piston-side leg 24 and the brake shoe 7 on the outer leg 25. Instead of a brake carrier, an integrated steering knuckle 26 is provided, which is rigidly and fixedly connected to the body. The steering knuckle 26 has a bore 27 with a thread 28 in which a bolt 29 with a thread 30 is screwed. The bolt 29 is in a cylindrical bushing 12, which with annular ribs 31 abuts the bolt surface. The bushing 12 is guided through a bore 32 of the housing 2 and bears with its outer cylindrical outer surface 33 against the inner wall of this bore 32. Projections 34, 35 prevent the bushing from sliding out of this bore 32. When the brake is actuated, a hydraulic medium, hereinafter called brake fluid, is pumped into the cylinder 23, so that the piston 22 is moved in the direction 36. The brake shoe 5 is moved against the brake disc 3 and the brake shoe 7 is pressed against the other side of the brake disc via a reaction force. When the brake is actuated, the housing 2 slides with the bushing 12 on the bolt 29. A rivet 37, which is riveted in the carrier plate 4 of the brake shoe 5, holds a spring 38 with three spring arms 39 (only one spring arm 33 is visible here), which engages with a curved spring arm section 40 in an annular circumferential groove 41 of the piston 22. Another spring 42 engages with three spring arms 43, 44 (only two of the spring arms are visible here) in grooves 45, 46 and clamps the outer brake shoe 7 on the outer housing leg 25. The spring 42 is connected to the carrier plate 6 of the brake shoe by a rivet 47 7 attached.

In vorteilhafter Weise sind sowohl die Bremsbacken 5,7 als auch die Federn 38,42 und die Befestigung 37,47 zwischen Feder 38,42 und Bremsbacke 5,7 gleich.Advantageously, both the brake shoes 5,7 and the springs 38,42 and the fastening 37,47 between the spring 38,42 and the brake shoe 5,7 are the same.

Fig. 3 zeigt die Teilbelag-Scheibenbremse mit dem teil­weise geschnittenen Gehäuse 2, das die Bremsscheibe 3 um­greift, mit den Bremsbacken 5,7 den Verstärkungsrippen 16,17 dem Schacht 21 und dem äußeren Gehäuseschenkel 25. Die dreieckförmige Feder 42 ist symmetrisch zu einer ra­dialen Schnittlinie 50. Die Feder weist zwei senkrecht von der Schnittlinie 50 wegragende Federarme 43 auf (von denen hier nur der eine Federarm 43 aufgrund der Schnittdarstel­lung sichtbar ist). Parallel zu der Schnittlinie 46 er­streckt sich der Arm 44. Die Federarme 43,44 ragen mit ih­ren gebogenen Federarmabschnitten 48,49 in die drei Nuten 45,46, von denen hier nur die Nuten 45,46 aufgrund der Schnittdarstellung sichtbar sind. Der Gehäuseschenkel 25 weist eine sich in Umfangsrichtung erstreckende Verstär­kungsrippe 51 und nahtlos daran angepaßt vier sich in ra­dialer Richtung erstreckende Rippen 52,53 auf (von denen hier nur die beiden Rippen 52,53 aufgrund der Schnittdar­stellung sichtbar sind). Der Achsschenkel 25 des Gehäuses 2 weist zwei Öffnungen 54 auf, in die eine Drahtfeder 55 hineinragt, und die das Gehäuse 2 gegen einen integrierten Achsschenkel 56 an dessen Tragarmen 57,58 verspannt. Der integrierte Achsschenkel 56 ist starr und ortsfest an der Fahrzeugkarosserie angeordnet. Beide Bremsbacken 5,7 sind mit ihren Vorsprüngen 8 bis 11 an diesen Tragarmen 57,58 abgestützt. Die Bremsbacke 5 weist einen halbmondförmigen Vorsprung 59 auf, der in den Schacht 20 des Gehäuses 2 ragt.Fig. 3 shows the partial lining disc brake with the partially cut housing 2, which encompasses the brake disc 3, with the brake shoes 5, 7, the reinforcing ribs 16, 17 the shaft 21 and the outer housing leg 25. The triangular spring 42 is symmetrical to a radial cutting line 50. The spring has two spring arms 43 projecting perpendicularly from the cutting line 50 (of which only one spring arm 43 is visible here due to the sectional view) is). The arm 44 extends parallel to the section line 46. The spring arms 43, 44 protrude with their curved spring arm sections 48, 49 into the three grooves 45, 46, of which only the grooves 45, 46 are visible here due to the sectional view. The housing leg 25 has a reinforcing rib 51 which extends in the circumferential direction and is seamlessly adapted to it four ribs 52, 53 which extend in the radial direction (of which only the two ribs 52, 53 are visible here due to the sectional view). The steering knuckle 25 of the housing 2 has two openings 54, into which a wire spring 55 projects, and which braces the housing 2 against an integrated steering knuckle 56 on its support arms 57, 58. The integrated steering knuckle 56 is rigidly and fixedly arranged on the vehicle body. Both brake shoes 5, 7 are supported with their projections 8 to 11 on these support arms 57, 58. The brake shoe 5 has a crescent-shaped projection 59 which projects into the shaft 20 of the housing 2.

Fig. 4 zeigt einen dritten Abstützpunkt des Sattelgehäuses 2 über die äußere Bremsbacke 7 an den integrierten Achs­schenkel 56. Die ersten beiden Abstützpunkte des Gehäuses 2 sind die zwei symmetrisch zur Schnittlinie 50 angeordne­ten Bolzen 29. Die Trägerplatte 6 weist mittig zur Um­fangsrichtung und radial außen einen halbmondförmigen Vor­ sprung 60 auf, der in eine geeignete Ausnehmung 61 der Ge­häusebrücke 21 ragt. Die Feder 55 verspannt das Gehäuse 2 über dessen Ausnehmung 61, den Vorsprung 60 und über die Vorsprünge 10 und 11 an dem Achsschenkel 56. Da der Vor­sprung 60 und die Ausnehmung 61 mittig angeordnet sind, ist der Sattel mit einer Dreipunkt-Auflage gelagert.4 shows a third support point of the caliper housing 2 via the outer brake shoe 7 on the integrated steering knuckle 56. The first two support points of the housing 2 are the two bolts 29 arranged symmetrically to the section line 50. The carrier plate 6 has one in the center of the circumferential direction and radially on the outside crescent-shaped front jump 60, which projects into a suitable recess 61 of the housing bridge 21. The spring 55 clamps the housing 2 over its recess 61, the projection 60 and over the projections 10 and 11 on the steering knuckle 56. Since the projection 60 and the recess 61 are arranged in the center, the saddle is supported with a three-point support.

Fig. 5 zeigt die Lagerung der Bremsbacke 5 über den Vor­sprung 11 an dem Tragarm 58 des integrierten Achsschenkels 56. Der Vorsprung 11 weist im wesentlichen eine L-Form auf, wobei sich ein erster Schenkel 62 mit seiner Fläche 63 auf der Fläche 64 des Tragarmes 58 in in wesentlicher radialer Richtung abstützt. Der zweite Schenkel 65 stützt sich mit seiner Fläche 66 an einer Fläche 67 des Tragarmes 58 in in wesentlicher Umfangsrichtung ab. Die Flächen 63 und 64 sind senkrecht zu den Flächen 66,67 angeordnet. Zwischen diesen Flächen 63 und 67 des Tragarmes 58 er­streckt sich eine schräge Fläche 68, die mit einer schrä­gen Fläche 69 zwischen den Flächen 64 und 66 des Vor­sprunges 11 zusammenwirkt. Ein Spiel 70 zwischen den Flä­chen 66 der Bremsbacke 5 und 67 des Tragarmes 58 wird bei Bremsbetätigung überwunden, so daß die Bremsbacke 5 an ihrer Schräge 69 auf dem Tragarm 58 hinaufgleitet und da­mit die gestrichelt gezeigte Endstellung einnimmt. Durch dieses Hinaufgleiten werden Korrosionsprobleme überwunden. Dabei ist von einer Drehrichtung 71 der Bremsscheibe 3 ausgegangen. Vorteilhaft sind die Bremsbacken 5 und 7 identisch und die Vorsprünge 8 und 9 bzw. 10 und 11 spie­gelsymmetrisch zu der Schnittlinie 50.5 shows the mounting of the brake shoe 5 via the projection 11 on the support arm 58 of the integrated steering knuckle 56. The projection 11 has essentially an L-shape, with a first leg 62 with its surface 63 on the surface 64 of the support arm 58 is supported in a substantial radial direction. The surface of the second leg 65 is supported on a surface 67 of the support arm 58 in a substantial circumferential direction. The surfaces 63 and 64 are arranged perpendicular to the surfaces 66,67. Between these surfaces 63 and 67 of the support arm 58 extends an inclined surface 68 which cooperates with an inclined surface 69 between the surfaces 64 and 66 of the projection 11. A game 70 between the surfaces 66 of the brake shoe 5 and 67 of the support arm 58 is overcome when the brake is actuated, so that the brake shoe 5 slides up on its slope 69 on the support arm 58 and thus assumes the end position shown in broken lines. This sliding up overcomes corrosion problems. A direction of rotation 71 of the brake disk 3 is assumed. The brake shoes 5 and 7 are advantageously identical and the projections 8 and 9 or 10 and 11 are mirror-symmetrical to the section line 50.

Fig. 6 zeigt eine zweite Schwimmsattel-Teilbelag-Scheiben­ bremse 72, die in Vierpunkt-Auflage über eine Trägerplatte 73 einer äußeren Bremsbacke 74 über zwei Abstützpunkte ge­lagert ist. Dazu weist das Gehäuse 75 in Höhe seines Achs­schenkels 76 zwei Vorsprünge 77 und 78 auf.Fig. 6 shows a second floating caliper partial covering disks brake 72, which is mounted in four-point support over a support plate 73 of an outer brake shoe 74 over two support points. For this purpose, the housing 75 has two projections 77 and 78 at the level of its steering knuckle 76.

Fig. 7 zeigt die zweite Teilbelag-Scheibenbremse 72 mit dem Gehäuse 75 und dem Achsschenkel 76. Die Trägerplatte 73 der Bremsbacke 74 weist eine obere radiale außenlie­gende Fläche 80 auf, die in Höhe der Schnittlinie 79 (Fig. 6) in etwa bündig mit der oberen radial außenliegenden Fläche 81 eines Reibbelages 82 der Bremsbacke 74 ab­schließt.Fig. 7 shows the second partial-disc brake 72 with the housing 75 and the steering knuckle 76. The carrier plate 73 of the brake shoe 74 has an upper radial outer surface 80 which is approximately flush with the line 79 (FIG. 6) closes upper radially outer surface 81 of a friction lining 82 of the brake shoe 74.

Fig. 8 zeigt die Teilbelag-Scheibenbremse 72 mit dem Ge­häuse 75 und dem Achsschenkel 76. Das Gehäuse 75 ist über Vorsprünge 77 und 78 auf Vorsprüngen 84 der Trägerplatte 73 des Bremsbackens 74 in Zweipunkt-Auflage abgestützt. Dazu weist das Gehäuse 75 zwei etwa senkrecht zueinander stehende Flächen 88,89 auf, die sich an senkrecht zueinan­der stehenden Flächen 90,91 des Vorsprunges 84 sowohl in radialer Richtung 92 als auch in Umfangsrichtung 93 ab­stützen. Auf der gegenüberliegenden, in Umfangsrichtung versetzten Seite weist der Vorsprung 78 Flächen 92,93 auf, die sich auf (wegen der Schnittdarstellung nicht darge­stellten) Flächen der (in diesem Bereich nicht darge­stellten) Bremsbacke 74 abstützen. Die (nicht dargestell­ten) Flächen der (in diesem Teil der Zeichnung nicht dar­gestellten) Bremsbacke 74 entsprechen den Flächen 94 und 95 des Vorsprunges 85 der kolbenseitigen Bremsbacke 87. Der Vorsprung 84 der äußeren Bremsbacke 74 weist eine Nut 96 mit gerundeten Vertiefungen 97,98 am Nutgrund 99 auf.8 shows the partial lining disc brake 72 with the housing 75 and the steering knuckle 76. The housing 75 is supported on projections 77 and 78 on projections 84 of the carrier plate 73 of the brake shoe 74 in two-point support. For this purpose, the housing 75 has two surfaces 88, 89 which are approximately perpendicular to one another and which are supported on surfaces 90, 91 of the projection 84 which are perpendicular to one another both in the radial direction 92 and in the circumferential direction 93. On the opposite side, offset in the circumferential direction, the projection 78 has surfaces 92, 93 which are supported on surfaces (not shown because of the sectional view) of the brake shoe 74 (not shown in this region). The surfaces (not shown) of the brake shoe 74 (not shown in this part of the drawing) correspond to the surfaces 94 and 95 of the projection 85 of the piston-side brake shoe 87. The projection 84 of the outer brake shoe 74 has a groove 96 with rounded recesses 97, 98 Groove base 99 on.

Die Nut weist des weiteren Flächen 100 und 101 auf. Die Nut 96 formt einen Haken 102, der einen rechteckförmigen Vorsprung 103 umgreift. Der rechteckförmige Vorsprung 103 ist Bestandteil eines Tragarmes 104 eines integrierten Achsschenkels 105. Auf der gegenüberliegenden, in Umfangs­richtung versetzten Seite ragt der integrierte Achsschen­kel 105 mit seinem Tragarm 106 und dem radial nach außen zeigenden Vorsprung 107 in eine Nut 108 mit runden Vertie­fungen 109,110 an den Nutgrundenden eines Nutgrundes 111. Ein Haken 114 faßt über den Vorsprung 107. Die Nut weist des weiteren Flächen 113 und 114 auf, die senkrecht zum Nutgrund angeordnet sind. Bei Bremsbetätigung und Drehen der Bremsscheibe 3 in Richtung 93 wird zunächst die Fläche 112 der Nut gegen eine Fläche 115 des Vorsprunges 107 in Anlage gebracht, so daß die Umfangskraft von dem Tragarm 106 aufgenommen wird. Bei stärkerer Bremsbelastung wird des weiteren die Fläche 100 der Nut 96 auf der gegenüber­liegenden Seite der Bremsbacke gegen eine Fläche 116 des Tragarmes 104 gebracht (Push-Pull-Prinzip). Die radial äußeren Flächen 80,81 des Bremsbelages und der Träger­platte verlaufen in Umfangsrichtung 93 etwa auf gleicher Höhe.The groove also has surfaces 100 and 101. The groove 96 forms a hook 102 which engages around a rectangular projection 103. The rectangular projection 103 is part of a support arm 104 of an integrated steering knuckle 105. On the opposite side, offset in the circumferential direction, the integrated steering knuckle 105 with its support arm 106 and the projection 107 pointing radially outwards projects into a groove 108 with round depressions 109, 110 at the groove base ends of a groove base 111. A hook 114 fits over the projection 107. The groove further has surfaces 113 and 114 which are arranged perpendicular to the groove base. When the brake is actuated and the brake disc 3 is turned in the direction 93, the surface 112 of the groove is first brought into contact with a surface 115 of the projection 107, so that the circumferential force is absorbed by the support arm 106. When the braking load is greater, the surface 100 of the groove 96 on the opposite side of the brake shoe is brought against a surface 116 of the support arm 104 (push-pull principle). The radially outer surfaces 80, 81 of the brake lining and the carrier plate run in the circumferential direction 93 at approximately the same height.

BezugszeichenlisteReference symbol list

  • 1 Teilbelag-Scheibenbremse1 partial brake disc brake
  • 2 Gehäuse2 housings
  • 3 Bremsscheibe3 brake disc
  • 5 Bremsbacke5 brake shoes
  • 6 Trägerplatte6 carrier plate
  • 7 Bremsbacke7 brake shoe
  • 8 Vorsprung8 head start
  • 9 Vorsprung9 head start
  • 10 Vorsprung10 head start
  • 11 Vorsprung11 head start
  • 12 Federglied12 spring link
  • 13 Federglied13 spring link
  • 14 Verschlußkappe14 sealing cap
  • 15 Verschlußkappe15 sealing cap
  • 16 Verstärkungsrippe16 reinforcement rib
  • 17 Verstärkungsrippe17 reinforcement rib
  • 18 Verstärkungsrippe18 reinforcement rib
  • 19 Verstärkungsrippe19 reinforcement rib
  • 20 Gehäusebrücke20 housing bridge
  • 21 Schacht21 shaft
  • 22 Kolben22 pistons
  • 23 Zylinder23 cylinders
  • 24 Gehäuseschenkel24 housing legs
  • 25 Gehäuseschenkel25 housing legs
  • 26 Achsschenkel26 steering knuckle
  • 27 Bohrung27 hole
  • 28 Gewinde28 threads
  • 29 Bolzen29 bolts
  • 30 Bolzengewinde30 bolt threads
  • 31 Rippen31 ribs
  • 32 Bohrung32 hole
  • 33 Mantelfläche33 lateral surface
  • 34 Vorsprung34 head start
  • 35 Vorsprung35 head start
  • 36 Richtung36 direction
  • 37 Nut37 groove
  • 38 Feder38 spring
  • 39 Federarm39 spring arm
  • 40 Federarmabschnitt40 spring arm section
  • 41 Nut41 groove
  • 42 Feder42 spring
  • 43 Federarm43 spring arm
  • 44 Federarm44 spring arm
  • 45 Nut45 groove
  • 46 Nut46 groove
  • 47 Nut47 groove
  • 48 Federarmabschnitt48 spring arm section
  • 49 Federarmabschnitt49 spring arm section
  • 50 Schnittlinie50 cutting line
  • 51 Verstärkungsrippe51 reinforcement rib
  • 52 Verstärkungsrippe52 reinforcement rib
  • 53 Verstärkungsrippe53 reinforcement rib
  • 54 Öffnung54 opening
  • 55 Feder55 spring
  • 56 Achsschenkel56 stub axles
  • 57 Tragarm57 support arm
  • 58 Tragarm58 support arm
  • 59 Vorsprung59 head start
  • 60 Vorsprung60 head start
  • 61 Ausnehmung61 recess
  • 62 Schenkel62 legs
  • 63 Fläche63 area
  • 64 Fläche64 area
  • 65 Schenkel65 legs
  • 66 Fläche66 area
  • 67 Fläche67 area
  • 68 Fläche (Schräge)68 surface (slope)
  • 69 Fläche (Schräge)69 surface (slope)
  • 70 Spiel70 game
  • 71 Drehrichtung71 Direction of rotation
  • 72 Teilbelag-Scheibenbremse72 partial brake disc brake
  • 73 Trägerplatte73 carrier plate
  • 74 Bremsbacke74 brake shoe
  • 75 Gehäuse75 housing
  • 76 Achsschenkel76 stub axles
  • 77 Vorsprung77 head start
  • 78 Vorsprung78 head start
  • 79 Schnittlinie79 cutting line
  • 80 Fläche80 area
  • 81 Fläche81 area
  • 82 Reibbelag82 friction lining
  • 84 Vorsprung (Trägerplatte)84 projection (carrier plate)
  • 85 Vorsprung (Trägerplatte)85 projection (carrier plate)
  • 86 Trägerplatte86 carrier plate
  • 87 Bremsbacke87 brake shoe
  • 88 Fläche (Gehäuse)88 surface (housing)
  • 89 Fläche (Gehäuse)89 surface (housing)
  • 90 Fläche (Vorsprung)90 surface (projection)
  • 91 Fläche (Vorsprung)91 surface (projection)
  • 92 Fläche (Gehäuse)92 surface (housing)
  • 93 Fläche (Gehäuse)93 surface (housing)
  • 94 Fläche (Bremsbacke)94 surface (brake shoe)
  • 95 Fläche (Bremsbacke)95 surface (brake shoe)
  • 96 Nut96 groove
  • 97 Vertiefung97 deepening
  • 98 Vertiefung98 deepening
  • 99 Nutgrund99 groove base
  • 100 Fläche100 area
  • 101 Fläche101 area
  • 102 Haken102 hooks
  • 103 Vorsprung103 head start
  • 104 Tragarm104 support arm
  • 105 Achsschenkel105 stub axles
  • 106 Tragarm106 support arm
  • 107 Vorsprung107 head start
  • 108 Nut108 groove
  • 109 Vertiefung109 deepening
  • 110 Vertiefung110 deepening
  • 111 Nutgrund111 groove base
  • 112 Fläche112 area
  • 113 Fläche113 area
  • 114 Haken114 hooks
  • 115 Fläche (Achsschenkel)115 surface (steering knuckle)
  • 116 Fläche (Achsschenkel)116 surface (steering knuckle)

Claims (12)

1. Teilbelag-Scheibenbremse, insbesondere für Kraftfahr­zeuge, mit einem Gehäuse, das eine Bremsscheibe U-förmig umgreift und das eine Gehäusebrücke, einen ersten eine Kolben-Zylinder-Einheit aufweisenden Ge­häuseschenkel und einen zweiten äußeren Gehäuse­schenkel aufweist, mit einer ersten eine Trägerplatte aufweisenden Bremsbacke, die an dem ersten kolbensei­tigen Schenkel angeordnet ist, einer zweiten eine Trägerplatte aufweisenden Bremsbacke, die an den zweiten äußeren Schenkel angeordnet ist und das Ge­häuse in bezug zur Bremsscheibenachse radialer Rich­tung abstützt und mit Vorsprüngen an der Träger­platte, die die Bremsbacke in radialer und in Um­fangsrichtung abstützt, dadurch gekenn­zeichnet, daß die Vorsprünge (8-11,84,85) an der Trägerplatte (4,6,73,86) der Bremsbacke (5,7,74,87) außerhalb des Bremsscheibenumfanges ange­ordnet sind.1. Part-pad disc brake, in particular for motor vehicles, with a housing which surrounds a U-shaped brake disc and which has a housing bridge, a first housing leg having a piston-cylinder unit and a second outer housing leg, with a first brake shoe having a carrier plate , which is arranged on the first piston-side leg, a second brake shoe having a carrier plate, which is arranged on the second outer leg and supports the housing with respect to the brake disc axis in the radial direction and with projections on the carrier plate which the brake shoe in the radial and circumferential directions supports, characterized in that the projections (8-11,84,85) on the carrier plate (4,6,73,86) of the brake shoe (5,7,74,87) are arranged outside the circumference of the brake disc. 2. Teilbelag-Scheibenbremse nach Anspruch 1, dadurch gekennzeichnet, daß der Vorsprung (8-11) L-Form aufweist, wobei ein erster Schenkel (62) des L sich mit einer ersten Fläche (63) in Um­fangsrichtung (71) abstützt und ein zweiter Schenkel (65) des L sich mit einer zweiten Fläche (66) in ra­ dialer Richtung abstützt.2. Part-pad disc brake according to claim 1, characterized in that the projection (8-11) has an L-shape, a first leg (62) of the L being supported with a first surface (63) in the circumferential direction (71) and one second leg (65) of the L with a second surface (66) in ra supports the direction. 3. Teilbelag-Scheibenbremse nach Anspruch 1, dadurch gekennzeichnet, daß der Vorsprung (84,85) eine Nut (96,108) aufweist, die die Träger­platte (74,87) in radialer und in beiden Umfangsrich­tungen (92,93) abstützt.3. Part-pad disc brake according to claim 1, characterized in that the projection (84,85) has a groove (96,108) which supports the carrier plate (74,87) in the radial and in both circumferential directions (92,93). 4. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­net, daß der Vorsprung (8-11,84,85) eine Schräge (69) aufweist.4. Part-pad disc brake according to one of the preceding claims, characterized in that the projection (8-11,84,85) has a slope (69). 5. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­net, daß die Bremsbacken (5,7,74,87) gleich sind.5. Part-pad disc brake according to one of the preceding claims, characterized in that the brake shoes (5,7,74,87) are the same. 6. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­net, daß an der Bremsbacke (5,7,74,87) eine Feder (38,42) angeordnet ist.6. Part-pad disc brake according to one of the preceding claims, characterized in that a spring (38,42) is arranged on the brake shoe (5,7,74,87). 7. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­net, daß die kolbenseitige Bremsbacke (5,87) an dem kolbenseitigen Gehäuseschenkel (24) mit einer Fe­der (38) gehalten ist, die in eine Ausnehmung (41) des Kolbens (22) eingreift.7. Part-pad disc brake according to one of the preceding claims, characterized in that the piston-side brake shoe (5,87) is held on the piston-side housing leg (24) with a spring (38) which in a recess (41) of the piston (22nd ) intervenes. 8. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­ net, daß die äußere Bremsbacke (7,74) mit einer Feder (42) an dem äußeren Gehäuseschenkel (25,76) ge­halten ist.8. Part-pad disc brake according to one of the preceding claims, characterized net that the outer brake shoe (7,74) is held by a spring (42) on the outer housing leg (25,76). 9. Teilbelag-Scheibenbremse nach einem der vorhergehen­den Ansprüche, dadurch gekennzeich­net, daß die Federn (38,42) gleich sind.9. Part-pad disc brake according to one of the preceding claims, characterized in that the springs (38,42) are the same. 10. Bremsbacke für eine Teilbelag-Scheibenbremse mit ei­ner Trägerplatte, die einen L-förmigen Vorsprung auf­weist, wobei ein erster Schenkel des L sich mit einer ersten Fläche in Umfangsrichtung und ein zweiter Schenkel des L sich mit einer zweiten Fläche in ra­dialer Richtung abstützt, dadurch gekenn­zeichnet, daß die Abstützung ausschließlich außerhalb des Bremsscheibenumfanges erfolgt.10. Brake shoe for a partial-pad disc brake with a carrier plate which has an L-shaped projection, a first leg of the L being supported with a first surface in the circumferential direction and a second leg of the L being supported with a second surface in the radial direction, thereby characterized in that the support takes place only outside the circumference of the brake disc. 11. Bremsbacke für eine Teilbelag-Scheibenbremse mit ei­ner Trägerplatte, die einen Vorsprung mit einer Nut aufweist, in der die Bremsbacke in radialer und Um­fangsrichtung abgestützt ist, dadurch gekenn­zeichnet, daß die Abstützung ausschließlich außerhalb des Bremsscheibenumfanges erfolgt.11. Brake shoe for a partial-pad disc brake with a carrier plate which has a projection with a groove in which the brake shoe is supported in the radial and circumferential directions, characterized in that the support takes place only outside the circumference of the brake disc. 12. Teilbelag-Scheibenbremse, insbesondere für Kraftfahr­zeuge, mit einem Gehäuse, das eine Bremsscheibe U-förmig umgreift und das eine Gehäusebrücke, einen ersten eine Kolben-Zylinder-Einheit aufweisenden Ge­häuseschenkel und einen zweiten äußeren Gehäuseschen­kel aufweist, mit einer ersten eine Trägerplatte auf­weisenden Bremsbacke, die an dem ersten kolbenseiti­ gen Schenkel angeordnet ist, einer zweiten eine Trä­gerplatte aufweisenden Bremsbacke, die an den zweiten äußeren Schenkel angeordnet ist und das Gehäuse in bezug zur Bremsscheibenachse radialer Richtung ab­stützt und mit Vorsprüngen an der Trägerplatte, die die Bremsbacke in radialer und in Umfangsrichtung an Tragarmen eines integrierten Achsenschenkels ab­stützt, dadurch gekennzeichnet, daß die Vorsprünge (8-11,84,85) an der Trägerplatte (4,6,73,86) der Bremsbacke (5,7,74,87) außerhalb des Bremsscheibenumfanges angeordnet sind.12. Part-pad disc brake, in particular for motor vehicles, with a housing which surrounds a U-shaped brake disc and which has a housing bridge, a first housing leg having a piston-cylinder unit and a second outer housing leg, with a first brake shoe having a carrier plate that on the first piston side gene arranged leg, a second brake shoe having a support plate, which is arranged on the second outer leg and supports the housing with respect to the brake disc axis in the radial direction and with projections on the support plate, the brake shoe in the radial and circumferential direction on the support arms of an integrated steering knuckle supports, characterized in that the projections (8-11,84,85) on the carrier plate (4,6,73,86) of the brake shoe (5,7,74,87) are arranged outside the circumference of the brake disc.
EP89104330A 1988-05-07 1989-03-11 Spot-type disc brake Expired - Lifetime EP0341392B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3815733 1988-05-07
DE3815733A DE3815733A1 (en) 1988-05-07 1988-05-07 PARTIAL PAD DISC BRAKE

Publications (2)

Publication Number Publication Date
EP0341392A1 true EP0341392A1 (en) 1989-11-15
EP0341392B1 EP0341392B1 (en) 1993-06-23

Family

ID=6353942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89104330A Expired - Lifetime EP0341392B1 (en) 1988-05-07 1989-03-11 Spot-type disc brake

Country Status (7)

Country Link
US (1) US5113978A (en)
EP (1) EP0341392B1 (en)
JP (1) JP2735616B2 (en)
BR (1) BR8902080A (en)
DE (2) DE3815733A1 (en)
ES (1) ES2041359T3 (en)
ZA (1) ZA893347B (en)

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WO1991005176A1 (en) * 1989-10-06 1991-04-18 Alfred Teves Gmbh Part-lined disc brake
WO1992004553A1 (en) * 1990-08-31 1992-03-19 Alfred Teves Gmbh Floating caliper and brake pad for partly lined disc brakes
WO1992018786A1 (en) * 1991-04-17 1992-10-29 Alfred Teves Gmbh Disc brake with easily fitted brake pad holder
WO1995014869A1 (en) * 1993-11-27 1995-06-01 Itt Automotive Europe Gmbh Brake plunger for disk brakes

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DE4340454A1 (en) * 1993-11-27 1995-06-01 Teves Gmbh Alfred Brake pad set for floating caliper disc brake
DE4430459A1 (en) * 1994-08-27 1996-02-29 Teves Gmbh Alfred Floating caliper disc brake for motor vehicles
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DE19652936A1 (en) * 1996-12-02 1998-06-04 Teves Gmbh Alfred Part-lining disc brake for motor vehicle
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US5915505A (en) * 1997-09-16 1999-06-29 Chrysler Corporation Disc brake system with unitary support
US6345701B1 (en) * 2000-06-28 2002-02-12 Kelsey-Hayes Company Anchor bracket and brake shoe assembly for use in a disc brake assembly
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DE10348830A1 (en) * 2003-10-21 2005-06-02 Continental Teves Ag & Co. Ohg Guide bolt for use in floating caliper brake, has bolt end with external thread screwed into internal thread of through hole, where external thread of bolt end extends over certain length
GB0422909D0 (en) * 2004-10-15 2004-11-17 Delphi Tech Inc Brake pad
ITPD20120214A1 (en) * 2012-07-04 2014-01-05 Freni Brembo Spa BRAKE CALIPER WITH DISC
JP5980670B2 (en) * 2012-12-03 2016-08-31 曙ブレーキ工業株式会社 Caliper for disc brake
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JP6965118B2 (en) * 2017-11-21 2021-11-10 曙ブレーキ工業株式会社 Floating disc brake and its assembly method
JP7084174B2 (en) 2018-03-27 2022-06-14 曙ブレーキ工業株式会社 Floating disc brake

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WO1991005176A1 (en) * 1989-10-06 1991-04-18 Alfred Teves Gmbh Part-lined disc brake
WO1992004553A1 (en) * 1990-08-31 1992-03-19 Alfred Teves Gmbh Floating caliper and brake pad for partly lined disc brakes
US5297659A (en) * 1990-08-31 1994-03-29 Alfred Teves Gmbh Floating caliper and brake shoe for spot-type disc brakes
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WO1995014869A1 (en) * 1993-11-27 1995-06-01 Itt Automotive Europe Gmbh Brake plunger for disk brakes

Also Published As

Publication number Publication date
JPH0211935A (en) 1990-01-17
ZA893347B (en) 1990-01-31
DE3815733A1 (en) 1989-11-16
BR8902080A (en) 1989-12-05
US5113978A (en) 1992-05-19
DE58904773D1 (en) 1993-07-29
JP2735616B2 (en) 1998-04-02
ES2041359T3 (en) 1993-11-16
EP0341392B1 (en) 1993-06-23

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